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DATAMP Patents by Date for January 1958
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
72,818,739----[datamp][all]
142,819,742----[datamp][all]
212,820,611----[datamp][all]
282,821,404----[datamp][all]